/[gentoo-x86]/eclass/toolchain-funcs.eclass
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1# Copyright 1999-2004 Gentoo Foundation 1# Copyright 1999-2005 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.13 2004/12/14 05:04:09 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.27 2005/01/23 20:47:42 eradicator Exp $
4# 4#
5# Author: Toolchain Ninjas <ninjas@gentoo.org> 5# Author: Toolchain Ninjas <ninjas@gentoo.org>
6# 6#
7# This eclass contains (or should) functions to get common info 7# This eclass contains (or should) functions to get common info
8# about the toolchain (libc/compiler/binutils/etc...) 8# about the toolchain (libc/compiler/binutils/etc...)
9
10inherit eutils
11 9
12ECLASS=toolchain-funcs 10ECLASS=toolchain-funcs
13INHERITED="$INHERITED $ECLASS" 11INHERITED="$INHERITED $ECLASS"
14 12
15DESCRIPTION="Based on the ${ECLASS} eclass" 13DESCRIPTION="Based on the ${ECLASS} eclass"
16 14
17tc-getPROG() { 15tc-getPROG() {
18 local var="$1" 16 local var=$1
19 local prog="$2" 17 local prog=$2
20 local search=""
21 18
22 if [ -n "${!var}" ] ; then 19 if [[ -n ${!var} ]] ; then
23 echo "${!var}" 20 echo "${!var}"
24 return 0 21 return 0
25 fi 22 fi
26 23
27 if [ -n "${CTARGET}" ] ; then
28 search="$(type -p "${CTARGET}-${prog}")"
29 elif [ -n "${CHOST}" ] ; then 24 if [[ -n ${CHOST} ]] ; then
30 search="$(type -p "${CHOST}-${prog}")" 25 local search=$(type -p "${CHOST}-${prog}")
26 [[ -n ${search} ]] && prog=${search##*/}
31 fi 27 fi
32 28
33 if [ -n "${search}" ] ; then
34 prog="${search##*/}"
35 fi
36 export ${var}="${prog}" 29 export ${var}=${prog}
37 echo "${!var}" 30 echo "${!var}"
38} 31}
39 32
40# Returns the name of the archiver 33# Returns the name of the archiver
41tc-getAR() { tc-getPROG AR ar; } 34tc-getAR() { tc-getPROG AR ar; }
… …
56# Returns the name of the java compiler 49# Returns the name of the java compiler
57tc-getGCJ() { tc-getPROG GCJ gcj; } 50tc-getGCJ() { tc-getPROG GCJ gcj; }
58 51
59# Returns the name of the C compiler for build 52# Returns the name of the C compiler for build
60tc-getBUILD_CC() { 53tc-getBUILD_CC() {
61 if [ -n "${CC_FOR_BUILD}" ] ; then 54 if [[ -n ${CC_FOR_BUILD} ]] ; then
62 export BUILD_CC="${CC_FOR_BUILD}" 55 export BUILD_CC=${CC_FOR_BUILD}
63 echo "${CC_FOR_BUILD}" 56 echo "${CC_FOR_BUILD}"
64 return 0 57 return 0
65 fi 58 fi
66 59
67 local search= 60 local search=
68 if [ -n "${CBUILD}" ] ; then 61 if [[ -n ${CBUILD} ]] ; then
69 search="$(type -p "${CBUILD}-gcc")" 62 search=$(type -p ${CBUILD}-gcc)
63 search=${search##*/}
64 else
65 search=gcc
70 fi 66 fi
71 67
72 if [ -n "${search}" ] ; then
73 search="${search##*/}"
74 else
75 search="gcc"
76 fi
77
78 export BUILD_CC="${search}" 68 export BUILD_CC=${search}
79 echo "${search}" 69 echo "${search}"
80} 70}
81 71
82# Quick way to export a bunch of vars at once 72# Quick way to export a bunch of vars at once
83tc-export() { 73tc-export() {
… …
87 done 77 done
88} 78}
89 79
90# A simple way to see if we're using a cross-compiler ... 80# A simple way to see if we're using a cross-compiler ...
91tc-is-cross-compiler() { 81tc-is-cross-compiler() {
92 local ret tmpfile=$(emktemp).c 82 if [[ -n ${CBUILD} ]] ; then
93 echo 'int main(){return 0;}' > "${tmpfile}" 83 return $([[ ${CBUILD} != ${CHOST} ]])
94 $(tc-getCC) "${tmpfile}" -o "${tmpfile}".bin 84 fi
95 "${tmpfile}".bin &>/dev/null 85 return 1
96 ret=$?
97 rm -f "${tmpfile}" "${tmpfile}".bin
98 return ${ret}
99} 86}
100 87
88
89# Parse information from CBUILD/CHOST/CTARGET rather than
90# use external variables from the profile.
91tc-ninja_magic_to_arch() {
92ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; }
93
94 local type=$1
95 local host=$2
96 [[ -z ${host} ]] && host=${CTARGET:-${CHOST}}
97
98 case ${host} in
99 alpha*) echo alpha;;
100 x86_64*) ninj x86_64 amd64;;
101 arm*) echo arm;;
102 hppa*) ninj parisc hppa;;
103 ia64*) echo ia64;;
104 m68*) echo m68k;;
105 mips*) echo mips;;
106 powerpc64*) echo ppc64;;
107 powerpc*) echo ppc;;
108 sparc64*) ninj sparc64 sparc;;
109 sparc*) if [[ "${PROFILE_ARCH}" == "sparc64" ]]; then
110 ninj sparc64 sparc
111 else
112 echo sparc
113 fi;;
114 s390*) echo s390;;
115 sh64*) ninj sh64 sh;;
116 sh*) echo sh;;
117 i?86*) ninj i386 x86;;
118 *) echo wtf;;
119 esac
120}
121tc-arch-kernel() {
122 tc-ninja_magic_to_arch kern $@
123}
124tc-arch() {
125 tc-ninja_magic_to_arch portage $@
126}
127tc-endian() {
128 local host=$1
129 [[ -z ${host} ]] && host=${CHOST}
130
131 case ${host} in
132 alpha*) echo big;;
133 x86_64*) echo little;;
134 arm*eb-*) echo big;;
135 arm*) echo little;;
136 hppa*) echo big;;
137 ia64*) echo little;;
138 m68*) echo big;;
139 mips*el-*) echo little;;
140 mips*) echo big;;
141 powerpc*) echo big;;
142 sparc*) echo big;;
143 s390*) echo big;;
144 sh*el-) echo little;;
145 sh*) echo big;;
146 i?86*) echo little;;
147 *) echo wtf;;
148 esac
149}
101 150
102# Returns the version as by `$CC -dumpversion` 151# Returns the version as by `$CC -dumpversion`
103gcc-fullversion() { 152gcc-fullversion() {
104 echo "$($(tc-getCC) -dumpversion)" 153 echo "$($(tc-getCC) -dumpversion)"
105} 154}
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